/**
 * Copyright (c) 2021 Huawei Device Co., Ltd.
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

#ifndef ES2PANDA_PARSER_CORE_ETS_LEXER_H
#define ES2PANDA_PARSER_CORE_ETS_LEXER_H

#include "lexer/lexer.h"

namespace panda::es2panda::lexer {
class ETSLexer final : public Lexer {
public:
    explicit ETSLexer(const parser::ParserContext *parser_context) : Lexer(parser_context, false)
    {
        SkipWhiteSpaces();
    }

    NO_COPY_SEMANTIC(ETSLexer);
    NO_MOVE_SEMANTIC(ETSLexer);
    ~ETSLexer() override = default;

    // NOLINTNEXTLINE(google-default-arguments)
    void NextToken(NextTokenFlags flags = NextTokenFlags::NONE) override;
    void ScanHashMark() override;
    bool ScanCharLiteral() override;
    void SkipMultiLineComment() override;
    void ScanAsteriskPunctuator() override;

    void ScanNumberLeadingZero() override
    {
        const auto saved_lexer_position = Save();
        try {
            ScanNumberLeadingZeroImpl<uint32_t, uint32_t>();
        } catch (...) {
            Rewind(saved_lexer_position);
            ScanNumberLeadingZeroImpl<uint64_t, uint64_t>();
        }
    }

    void CheckUtf16Compatible(char32_t cp) const;
    void ConvertNumber(const std::string &utf8, NumberFlags flags) override;

protected:
    void ScanEqualsPunctuator() override;
    void ScanExclamationPunctuator() override;
    bool ScanDollarPunctuator() override;
};
}  // namespace panda::es2panda::lexer

#endif
